# Richard Hartmann
**Wikidata**: [Q112844315](https://www.wikidata.org/wiki/Q112844315)  
**Source**: https://4ort.xyz/entity/richard-hartmann-q112844315


## References

1. [SIKART](http://www.sikart.ch/KuenstlerInnen.aspx?id=4000697)
2. [Patrinum](https://www.patrinum.ch/record/41275)
3. SIKART
4. Patrinum
5. [Source](https://european-art.net/person/redirect?i=2&p=4000697)